Logical ReasoningDifficulty: Medium

PT151 S3 Q10 Explanation

Physician: Clinical psychologists who are not

A free, expert breakdown of this official LSAT Logical Reasoning question.

TopicsPrinciple-Strengthen

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Stimulus

Physician: Clinical psychologists who are not also doctors with medical degrees should not be allowed to prescribe psychiatric medications. Training in clinical psychology includes at most a few hundred hours of education in neuroscience, physiology, and pharmacology. In contrast, doctors with medical degrees before they are allowed to prescribe psychiatric medications.

What this question is testing

Principle-Strengthen

Your task

Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.

Common trap

Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.

Winning move

Predict what a right answer must do, then test each choice against the conclusion-evidence gap.

Reading along? Open the full official question in LawHub — we show a fragment here and keep the reasoning in our own words.

The question
10.

Which one of the following principles, if valid, would most help to justify the reasoning in

Answer choices

  1. Bad Conclusion Match5% picked this

    Clinical psychologists who are also doctors with medical degrees should be allowed to

    This answer is just an illegal negation of the conclusion itself. Like if we were trying to prove that "tall children love their moms", this answer would be saying "short children don't love their moms". We need a principle that would allow us to derive that someone should not be allowed to prescribe, and this is a principle that allows you derive that someone should be allowed.

  2. Bad Trigger Match1% picked this

    Doctors without training in clinical psychology should not be allowed to

    This is definitely a rule that would let us derive language like "should not be allowed to prescribe". Can we apply it to our subject, to "Clinical psychologists who are not also doctors with medical degrees"? Do they qualify as "doctors without training in clinical psychology"? Of course not. That sounds like the opposite group. Our conclusion is about CP's that aren't doctors. This answer is about doctors that aren't CP's. So this answer is functionally useless to us.

  3. Correct77% picked this

    No one without years of training in neuroscience, physiology, and pharmacology should be allowed to

    Why this is right

    This is a rule that would allow one to derive "X should not be allowed to prescribe". Is its trigger applicable to our subject, the clinical psychologists who are not also doctors with medical degrees? If you don't have years then should not of training in neuro, phys, → be allowed to and pharmacology prescribe psy meds Yes, we can apply this rule (not with 100% certainty, but high confidence). We were told that training in clinical psychology only involves at most a few hundred hours of such training. According to this rule, if you don't get years of such training, then you shouldn't be able to prescribe. So applying this rule to what we know about clinical psychologists, we can say something very similar to the conclusion.

    Skill tested: Principle-Strengthen · how this choice captures the argument's function is the move to repeat next time.

  4. Bad Conclusion Match14% picked this

    The training in neuroscience, physiology, and pharmacology required for a medical degree is sufficient for a doctor to be

    We need a rule whose outcome sounds like "should not be allowed to prescribe psychiatric medications". This answer would allow us to conclude that someone "should be allowed to prescribe".

  5. Bad Conclusion Match2% picked this

    Clinical psychologists should receive years of training in neuroscience, physiology,

    We need a rule whose outcome sounds like "should not be allowed to prescribe psychiatric medications". This answer doesn't have any language like that at all.

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